require "test_helper" class CredentialTest < ActiveSupport::TestCase test "email must be present" do @c = Credential.new assert !@c.save end test "email must be valid" do @c = Credential.new @c.email = "not on your nelly" assert !@c.save end test "email must be unique" do @c = Credential.new @c.email = "bob@example.net" assert !@c.save end end